Privacy

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Verify physical copies with keys? (lemmy.ml)

submitted 3 months ago by iuvi@lemmy.ml to c/privacy@lemmy.ml

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Hi!

Curious, if i there tool\site with wich i could verify for example 1 of 100 physically printed books?

Each one book - unique public key (100 books = 100 keys, printed on backside of it) wich could be verify by one private key

It just and idea in mind, but, maybe there any ready solution? Many public keys chain-linked with one master key - are just for example

Thank you

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[–] PiraHxCx@lemmy.ml 3 points 3 months ago* (last edited 3 months ago) (1 children)

I think what you are looking for are custom holographic label stickers. Without having its original design it's quite troublesome to make an exact copy, especially if you use non-symmetrical overlapping geometrical shapes and hex color bases that are just a bit off the common ones... however, I don't know a tool to automatically verify them, and as hand-signed copies, they can be copied close to perfection with enough resources.

[–] ganymede@lemmy.ml 2 points 3 months ago

without further explanations of OP's intent i'm inclined to think this is perhaps the best approach